Extended forum rules error

[Shemo]

Receiving this after trying to activate the plugin:

Warning: morerules_activate(./inc/adminfunctions_templates.php): failed to open stream: No such file or directory in /home/at19029/public_html/forums/inc/plugins/morerules.php on line 37

Warning: morerules_activate(./inc/adminfunctions_templates.php): failed to open stream: No such file or directory in /home/at19029/public_html/forums/inc/plugins/morerules.php on line 37

Warning: morerules_activate(./inc/adminfunctions_templates.php): failed to open stream: No such file or directory in /home/at19029/public_html/forums/inc/plugins/morerules.php on line 37

Warning: morerules_activate(): Failed opening './inc/adminfunctions_templates.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/at19029/public_html/forums/inc/plugins/morerules.php on line 37

Fatal error: Call to undefined function: find_replace_templatesets() in /home/at19029/public_html/forums/inc/plugins/morerules.php on line 38